Download Advanced marine electrics and electronics troubleshooting : by Edwin Sherman PDF

By Edwin Sherman

SAVE time and cash WITH THIS cutting-edge consultant TO the newest, so much complex DIAGNOSTIC apparatus AND TECHNIQUES

"Ed Sherman is considered one of America's nice lecturers and communicators of marine technology." -- Tim Murphy, former government editor, Cruising World

Whether you're a marine electronics expert or a boatowner, Advanced Marine Electrics and Electronics Troubleshooting is helping you realize the hot, extra strong tools of troubleshooting marine electric and digital structures. a latest boat's subtle installations and networked electronics can stretch the conventional diagnostic tools, in keeping with hassle lighting and multimeters, prior their important limits. This booklet will help you:

  • Use microprocessor-based diagnostic instruments and methods from the car and communications sectors, tailored for boats for the 1st time
  • Diagnose the main tough AC and DC difficulties
  • Protect communications and navigation electronics from interference and lightning
  • Seek out and cast off stray-current assets and galvanic corrosion

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Additional resources for Advanced marine electrics and electronics troubleshooting : a manual for boatowners and marine technicians

Example text

LOW CRANKING The starter voltage is high but the AMPS cranking amps are low. NO START The engine didn’t start and the test was aborted. CRANKING SKIPPED The EXP didn’t detect the vehicle’s starting profile and skipped the Starter Test. Source: Midtronics The voltage reading during the cranking cycle. 6 V while cranking. 5 V. Interpreting the Results Voltage and amperage readings can tell you many things beyond whether the starter circuit is in order. Particularly on modern boats, which are increasingly powered by electronically controlled engines, excessive system voltage drop during engine cranking is a concern.

Midtronics is one of the leading companies involved in the development of these instruments; I use a Midtronics Micro500XL conductance tester, which costs about $800, and have found it to be reliable. It has an amperage rating that accommodates 8D-sized batteries, which are common to the marine current response signal digital readout impressed voltage signal + scroll up and down enter code menu printer – To measure conductance, a tester sends a small signal through the battery, then measures a portion of the pulsed current response.

You may remember that in photo 11 on page 19, the screen display showed the rated CCA and the measured CCA in real time based on the 1 Press the ENTER key on the face of the instrument to begin the charging system test. t e s t i n g b at t e r i e s , c h a rg i n g s y s t e m s , a n d s ta rt e r c i rc u i ts 2 Turn off all electrical loads and rev the engine for 5 seconds. The unit provides a screen view to ensure that engine rpm is detected. It then advances to a horizontal tachometer-type display.

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